package com.atguigu.rabbitmq.five;

import com.atguigu.rabbitmq.utils.RabbitMqUtils;
import com.rabbitmq.client.Channel;

import java.nio.charset.StandardCharsets;

/**
 * ClassName: ReceiveLogs02
 * Description: 消息的接收
 * Date: 2023/04/28 PM 1:26:48
 * <p>
 * project: atguigu-rabbitmq
 * package: com.atguigu.rabbitmq.five
 * email: 1085844536@qq.com
 * version:
 *
 * @author WangGuojian
 */
public class ReceiveLogs02 {

    /**
     * 交换机的名称
     */
    public static final String EXCHANGE_NAME = "logs";

    public static void main(String[] args) throws Exception {
        Channel channel = RabbitMqUtils.getChannel();
        // 声明一个交换机
        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
        // 声明一个队列 临时队列
        /*
          生成一个临时队列，队列的名称是随机的
          当消费者断开与队列的连接的时候  队列就自动删除了
         */
        String queueName = channel.queueDeclare().getQueue();
        /*
          绑定交换机与队列
         */
        channel.queueBind(queueName, EXCHANGE_NAME, "");
        System.out.println("等待接收消息，把接收到的消息打印在屏幕上......");

        // 接收消息
        // 消费者取消消息时回调接口
        channel.basicConsume(queueName, true,
                (consumerTag, message) -> System.out.println("ReceiveLogs02控制台打印接收到的信息：" + new String(message.getBody(), StandardCharsets.UTF_8)),
                consumerTag -> System.out.println()
        );
    }
}
